92results about How to "Stable working environment" patented technology

The present invention discloses a high-precision smart meter for outdoor use, which belongs to the technical field of smart meters. The following scheme is proposed, which includes a smart meter body, heat dissipation structures are arranged on both sides of the smart meter body, an air intake structure is detachably installed on the heat dissipation structure, the smart meter body and the air intake structure can be detachably installed inside the meter box, an adjustment component and a pushing component for driving the adjustment component are arranged inside the air intake structure, and a driving component for adjusting the pushing component is arranged on the smart meter body; by arranging the air intake structure, the adjustment component and the pushing component, if the connecting hole is configured in a ⊥ shape, the external natural wind will be effectively guided to the inside of the wind collecting cover, and then smoothly flow into the inside of the installation shell through the air intake duct and the conduit, so as to implement uniform and effective air cooling and heat dissipation on the side wall of the smart meter body, thereby significantly improving its operating stability and ensuring the high precision of the smart meter body during operation.

The invention relates to the field of semiconductors, and discloses a semiconductor packaging structure and an integrated circuit packaging piece, and the semiconductor packaging structure comprises a first packaging seat which comprises a first heat exchange channel and is used for carrying out the heat exchange of a first semiconductor device; the second packaging seat is arranged opposite to the first packaging seat, and the second packaging seat comprises a second heat exchange channel and exchanges heat for the second semiconductor device; the wall part is arranged between the first packaging seat and the second packaging seat, and an airtight containing cavity is defined by the wall part. The semiconductor packaging structure and the integrated circuit packaging piece are used for solving the problem that the heat dissipation effect of the packaging structure is poor, according to the semiconductor packaging structure and the integrated circuit packaging piece, the first packaging base and the second packaging base which are oppositely arranged are provided with the first heat exchange channel and the second heat exchange channel respectively, heat exchange is conducted on semiconductor devices installed on the first packaging base and the second packaging base respectively, and the heat dissipation efficiency is improved. The heat exchange effect of the airtight semiconductor packaging structure is improved, a stable working environment is provided for the semiconductor device, and the service life of the semiconductor device is prolonged.

The invention provides water pipe rust removal equipment for a water conservancy project, and belongs to the technical field of water pipe rust removal equipment. Comprising a fixed frame, a multi-stage telescopic rod is fixedly connected to the fixed frame, a mounting seat is assembled at the tail end of the telescopic rod of the multi-stage telescopic rod, fixed seats are symmetrically mounted on the two sides of the mounting seat, a supporting frame and a connecting seat are symmetrically connected to the top and the bottom of the mounting seat, and movable seats are arranged in the fixed seats in a sleeved mode; the tail end of the movable seat extends to the outer portion of the fixed seat and is provided with a grinding tool base, and a grinding head is arranged in the grinding tool base in a sleeved mode. According to the water pipe rust removal equipment for the water conservancy project, by arranging the sand blasting assembly, the grinding tool base and the grinding head, sand blasting rust removal and grinding rust removal are combined through the water pipe rust removal equipment for the water conservancy project, primary rust removal is conducted on the inner wall of a pipeline through grinding of the grinding head, and secondary rust removal is conducted through the sand blasting assembly; therefore, the quality and the efficiency of the equipment during pipeline inner wall rust removal operation are both considered.

The invention discloses a laser amplifier based on wavefront distortion correction, which relates to the technical field of lasers and comprises a laser source, a gain medium, a wavefront sensor, a self-adaptive optical wavefront correction module and a feedback control system. The laser beam amplified by the gain medium is output through the second optical coupler, the wavefront sensor is connected with the output end of the gain medium, and the feedback control system is connected with the wavefront sensor and the adaptive optical wavefront correction module through a data bus and automatically generates a correction signal according to wavefront distortion data. The feedback control system is installed, the function of adjusting and correcting parameters in real time based on wavefront distortion is achieved, the problem that wavefront distortion caused by optical system errors or environment disturbance is difficult to monitor and correct in real time through a traditional laser amplifier is solved, the focusing performance and transmission efficiency of laser beams are improved, and the laser amplifier has a wide application prospect. And stable and high-quality light beam output is maintained.

The invention relates to the technical field of display equipment, in particular to digital twinborn model display equipment, which comprises a digital twinborn model display stand, and has the beneficial effects that the digital twinborn model display stand and a lifting display screen mounting frame form a three-dimensional lifting display stand; the model holographic projector device, the auxiliary display screen device and the top display screen device are installed in a matched mode, three-dimensional projection display can be carried out on the model, and light effect display, background display and synchronous display of related characters, charts or other supplementary information can be carried out in cooperation with three-dimensional display of the model holographic projector device. The digital twinborn model cooling system can help audiences to better understand functions and characteristics of a digital twinborn model, and is matched with design of a dual-channel heat dissipation mechanism, two independent cold air heat dissipation channels are differentiated, network connection control equipment, auxiliary display screen equipment and model holographic projector equipment are specifically and separately cooled, and heat conduction or radiation between the network connection control equipment, the auxiliary display screen equipment and the model holographic projector equipment can be avoided.

The utility model discloses a portable UPS (Uninterrupted Power Supply) with a protection structure, which relates to the technical field of UPSs and comprises a power supply shell, a protection mechanism is arranged at the top of the power supply shell and comprises a top cover, a handle is fixedly connected to the top of the top cover, a limiting ring is fixedly connected to the bottom of the top cover, and the limiting ring is fixedly connected to the top of the power supply shell. A connecting block is rotatably connected to the outer side of the limiting ring, a fan is arranged on the inner side of the connecting block, a plurality of fins are fixedly connected to the bottom of the connecting block, a heat dissipation pipe is fixedly connected to the inner sides of the fins, and an air inlet is fixedly connected to the center of the bottom of the heat dissipation pipe; a dropper is fixedly connected to the position, close to the edge, of the bottom of the heat dissipation pipe, the bottoms of the fins are fixedly connected to the position of the outer ring of the top of the power source shell, through the protection structure, the anti-collision, dustproof, moistureproof and heat dissipation effects are achieved, and the problems that a traditional UPS is insufficient in protection capacity and poor in heat dissipation effect are solved.

The utility model belongs to the field of equipment design for producing, processing and manufacturing semiconductors, and particularly relates to a wafer transmission device and a wafer measurement system. A wafer transmission device comprises a shell assembly, a driving assembly and a transmission assembly. The shell assembly comprises an outer shell internally provided with a sealed cavity. The transmission assembly comprises a rotating shaft, the rotating shaft extends into the sealing cavity and is connected with a horizontally-arranged propeller, and a first platform and a second platform are arranged at the two ends of the propeller correspondingly. The driving assembly is connected to the rotating shaft and can drive the rotating shaft to rotate along the axis so as to drive the propeller to enable the wafer to perform position transmission between the first platform and the second platform. The transmission device can adapt to wafers of different sizes and types. By adjusting the shape and the size of the propeller and the distance between the platforms, the device can easily adapt to wafers of different specifications, and the universality and the flexibility of the device are improved.

The utility model relates to the technical field of medical treatment, and discloses a drug transdermal tester with a shock absorption function, which comprises a detector, the top of the detector is fixedly connected with a detection platform, the right side of the top of the detection platform is fixedly connected with a placing base, the bottom of the placing base is fixedly connected with a servo motor, and the servo motor is fixedly connected with a damping device. The output end of the servo motor is fixedly connected with a rotating disc, the inner wall of the rotating disc is fixedly connected with a first rotating shaft, the left end and the right end of the first rotating shaft are rotationally connected with connecting shafts, the ends, away from each other, of the two connecting shafts are rotationally connected with sliding blocks, and the bottoms of the two sliding blocks are slidably connected with the front side and the rear side of the top of the containing base correspondingly. According to the utility model, the servo motor outputs power to drive the turntable to rotate, and the connecting shaft drives the sliding block to slide back and forth on the top of the placing base in a reciprocating manner, so that the clamping plate connected with the sliding block moves synchronously, and the clamping plate can rotate around the rotating shaft II according to the profile of a sample.

The invention relates to a passenger car steering gear muddy water spraying durability test bench, which comprises a test bench base, a spraying test box and a muddy water tank, and is characterized in that the test bench base is used for supporting a power system, the spraying test box is installed on the test bench base and is used for installing a steering gear, and the muddy water tank is communicated with a spraying assembly. The spraying assembly is installed in the spraying test box and used for spraying muddy water towards the steering gear. The technical problems that an existing steering gear durability test mode cannot simulate a rainy day test effect and the test efficiency is low can be solved.

The invention discloses a portable field exploration device for soil census, and relates to the technical field of soil exploration equipment. Comprising a drilling device, the drilling device is used for drilling and sampling soil, a folding and unfolding assembly is arranged outside the drilling device and used for protecting the drilling device, and a connecting assembly is fixedly connected to the bottom end of the drilling device. And when the drilling device moves to a position needing exploration, the moving wheels are separated from the ground by pulling out the bolts, so that the moving wheels are folded, the whole mechanism is simple and convenient to operate, and in the moving process, two combined protective covers in the folding and unfolding assembly can effectively protect the drilling device, so that the drilling device is prevented from being collided or damaged by the outside in the moving process. And the safety and the integrity of the drilling device in the transportation process are ensured.

This utility model belongs to the field of elevator maintenance technology, specifically relating to an elevator maintenance rack bracket. This bracket, through the cooperation of a support frame, a crossbar, and a base plate, allows the bracket to be directly pushed into the elevator shaft after the landing door is opened, enabling quick locking and improving elevator maintenance efficiency. Simultaneously, the crossbar's placement against the walls on both sides of the elevator shaft landing door ensures a more stable overall fixation of the bracket, providing a reliable and stable working environment for maintenance personnel. Turning the handle allows the lead screw to drive the support plate back and forth via threaded transmission, better matching the wall thickness and improving the bracket's applicability. The combination of wheels and a handle allows a single person to easily push the bracket to the target floor elevator entrance, reducing the labor intensity of maintenance personnel when moving the elevator and improving its ease of use.

This invention discloses a root system dynamic monitoring system suitable for multi-site deployment in the field, belonging to the field of root system monitoring technology. It includes: at least one root box, at least one imaging module, a power supply module, and at least one wireless data transmission module. The root box is a sealed structure, with at least one side being transparent. Each root box contains one imaging module and one wireless data transmission module. The imaging module's imaging direction is towards the side where the target plant's roots are located. The imaging module is electrically connected to the wireless data transmission module to transmit the collected image data to an external terminal device or server. The power supply module is electrically connected to at least one imaging module and at least one wireless data transmission module to provide power. This invention addresses the technical problems of existing root system monitoring devices, such as high cost, complex structure, insufficient spatial coverage, and high long-term operational risks.

The utility model relates to the field of wire outlet structures of electric appliance box covers, in particular to a wire outlet structure for a fan electric appliance box cover. Comprising an electric appliance box cover body, an annular wire outlet hole is formed in the electric appliance box cover body, a cable is led out of the wire outlet hole, an annular groove is formed in the wire outlet hole, a rubber sealing ring is embedded in the annular groove, a wire outlet hole cover is arranged on the wire outlet hole, and an oval groove is formed in the electric appliance box cover body. A fixing clamping plate is arranged on the electric appliance box cover body, the fixing clamping plate and the electric appliance box cover body are screwed and fixed, and a cable is arranged between a cable outlet portion of the fixing clamping plate and the oval groove. Through a triple sealing system of the rubber sealing ring, the wire outlet hole cover and the pouring sealant, dust, water vapor and other impurities can be more powerfully prevented from invading the interior of the electric appliance box, the protection grade of the electric appliance box is greatly improved, a more excellent and stable working environment is created for electric appliance elements, the service life of a fan is remarkably prolonged, and the service life of the fan is prolonged. And the equipment maintenance cost is further reduced.

This invention discloses a screw conveyor device, comprising: a screw conveyor cylinder; a screw conveyor shaft passing through the screw conveyor cylinder and having helical blades thereon; an upper bearing mounting assembly and a lower bearing mounting assembly, respectively mounted at both ends of the screw conveyor cylinder, for rotatably supporting the screw conveyor shaft; wherein, the upper bearing mounting assembly includes a double-row tapered roller bearing, and the lower bearing mounting assembly includes a double-row angular contact ball bearing, the two forming a bidirectional constraint on the screw conveyor shaft in both axial and radial directions; the lower bearing mounting assembly further includes a lower bearing housing and a lower shaft end; a grease injection cavity A is provided on one side of the lower bearing housing opposite to the lower shaft end, and a double sand seal structure is provided on both sides of the grease injection cavity A; a leakage cavity is provided on the lower bearing housing, located outside the double sand seal structure, and a downward-facing observation window is provided on the leakage cavity. This invention solves the problems of short seal life and early failure caused by misalignment of the drive device in traditional equipment.

The invention discloses a water dispersible 123 light stabilizer which comprises the following components in percentage by mass: 40-60% of a light stabilizer 123, 10-20% of a nonionic emulsifier, 5-15% of an anionic emulsifier, 5-10% of sodium carboxymethyl cellulose and 2-5% of a phosphite antioxidant, and a pH regulator is used for regulating the pH value of a system to 7-9. The preparation method comprises the following steps: premixing, emulsifying and dispersing, homogenizing, and adjusting the pH value to obtain the water-dispersible 123 light stabilizer product. The light resistance of the material can be effectively improved; due to the water dispersion type, the water-based dispersing agent has good dispersity and can be more uniformly distributed in a water-based system, so that the quality stability of a product is improved; compared with some traditional light stabilizers, the stabilizer can be more conveniently applied to a water-based formula system, is beneficial to development of environment-friendly materials, plays a positive role in the fields of water-based paint, water-based ink and the like, and reduces the problem of material performance reduction caused by photochemical degradation.

The utility model belongs to the technical field of electric power engineering, and particularly relates to supporting equipment for electric power construction. Comprising a bottom plate, and a telegraph pole construction supporting assembly is arranged on the bottom plate; the telegraph pole construction supporting assembly comprises a through hole located in the bottom plate, a fixing pipe is fixedly installed on the through hole, first fixing lugs are symmetrically and fixedly installed on the fixing pipe, an auxiliary fixing pipe is connected into the fixing pipe in a sleeved mode, and a plurality of fixing plugs are evenly and fixedly installed on the auxiliary fixing pipe. Second fixing lugs are symmetrically installed on the auxiliary fixing pipe, and fixing holes are formed in the first fixing lugs and the second fixing lugs. According to the telegraph pole, the base capable of being supported and fixed is arranged for the telegraph pole, so that the telegraph pole has a more stable working environment, the telegraph pole can have higher stability in some special geographical environments, the overall supporting effect is better, the telegraph pole can be used for telegraph poles of different sizes, adaptability is better, and operation of workers is convenient.

The invention belongs to the technical field of batteries, and particularly relates to a frame type battery box body with good sealing performance and an assembling method thereof, the assembling method comprises two steps of obtaining parts of the frame type battery box body and assembling the frame type battery box body, and the frame type battery box body assembled by the method has good sealing performance on the aspect of structural design. And through the reasonable layout and connection mode of the supporting plate and the bottom protection plate, the overall stability and impact resistance of the box body are effectively enhanced. In the aspect of sealing performance, the first sealing piece and related bolt connection between the bottom protection plate and the frame, the riveting and bolt connection between the supporting plate and the frame and the bottom protection plate, and the sealing pieces are matched, so that the waterproof, dustproof, sound insulation and vibration isolation effects are greatly improved, external water vapor, dust and other impurities are effectively prevented from entering, the risks of battery short circuit, corrosion, poor heat dissipation and the like are reduced, and the service life is prolonged. Safe and stable operation of the battery is ensured.

The utility model discloses a side-mounted bearing bush temperature sensor, and aims to solve the problem that the accuracy of a temperature detection result is affected due to the fact that the detection result is deviated from the actual temperature in the traditional bearing bush temperature detection. The side-mounted bearing bush temperature sensor comprises a probe and a fixing plate, the probe is connected with the fixing plate, the fixing plate is fixedly connected with the side edge of a bearing bush, an oil inlet is formed in the side edge of the bearing bush, the probe is located in the oil inlet of the bearing bush, and the end face of the probe is arranged on the upstream of the oil inlet. The probe of the sensor is installed on the side face of the bearing bush and arranged at the position of the oil inlet, the probe can directly make contact with oil flowing into the bearing bush from the outer side of the bearing bush along the oil inlet, then temperature interference after oil mixing or heat dissipation is avoided, and measured data are more accurate. The fixed plate is connected with the side edge of the bearing bush, so that the sensor is kept at a stable position and a stable working environment during running of the bearing bush, and the accuracy of temperature measurement data is further improved.

The utility model discloses a high-temperature and high-pressure simulation test well device for downhole tool detection, which comprises a shaft, the shaft is connected with a pressurization system and a heating system through a pipeline, the shaft is used for placing a downhole tool to be detected, and the pressurization system and the heating system are respectively used for providing a high-pressure environment and a high-temperature environment for the shaft; the shaft comprises a flange straight pipe, the flange straight pipe is sleeved with a heat conduction oil cylinder, and the flange straight pipe and the heat conduction oil cylinder are both cylindrical and form two layers of shafts through welding. The upper end and the lower end of the flange straight pipe are connected with an upper blind flange and a lower blind flange respectively, a mandrel hanger is connected to the center of the lower end of the upper blind flange, and a coupling is connected to the lower end of the mandrel hanger. A pressure inlet and a liquid inlet hole are further formed in the shaft. The test well device can provide a continuous high-temperature and high-pressure environment, so that the high-temperature and high-pressure performance of an underground tool can be detected on the ground.

The support-free rechargeable lithium battery comprises a steel shell, a battery cell and a PCB (Printed Circuit Board), the top end and the bottom end of the steel shell are respectively provided with an upper opening and a lower opening, the battery cell is arranged in the steel shell, the bottom end of the battery cell is provided with a first negative electrode end, and the top end of the battery cell is provided with a positive electrode end and a second negative electrode end. According to the utility model, the gap between the PCB and the steel shell is filled by adopting an in-shell injection molding mode, and the plastic is fluid when being injected, so that the inner side wall of the steel shell and the space (namely the gap between the accommodating space and the PCB) between the top end of the battery cell and the top end of the steel shell can be better filled and contacted, and a larger contact area is achieved; the charging socket can support and buffer the PCB, and the plastic can effectively fill the gap in the accommodating space and the gap between the charging socket and the steel shell (charging opening), so that the waterproof effect on the PCB can be achieved.

The utility model discloses a geographical detection positioning rod for remote sensing monitoring, and relates to the technical field of geographical detection positioning rods, in particular to the geographical detection positioning rod for remote sensing monitoring, which comprises a base, a connecting seat and a mounting table, the four surfaces of the base are fixedly provided with placing frames, the top of each placing frame is provided with a threaded groove, and the top of each connecting seat is provided with a connecting seat side supporting mechanism. A mounting plate is fixedly connected to the bottom of the connecting seat, a second mounting bolt is in threaded connection to the mounting plate, a fixing mechanism is arranged at the bottom of the mounting plate, a rotating groove and a clamping groove are formed in the top of the base, a rotating seat is rotationally connected into the rotating groove, a fixing block and a supporting column are fixedly mounted at the top of the rotating seat, and a rotating column is fixedly mounted on the fixing block; a rotating clamping handle is rotationally connected to the rotating column, a buffering mechanism is arranged at the top of the supporting column, the overall working is more stable and accurate due to the arrangement of the buffering mechanism, and fixing and mounting can be carried out very conveniently due to the arrangement of a fixing mechanism.

The utility model discloses an ion chromatograph with a temperature control function, which relates to the technical field of ion chromatographs and comprises a chromatograph main machine, two groups of placing clamping grooves are arranged on the outer surface of the upper end of the chromatograph main machine, a leacheate bottle is arranged at the upper end of one group of placing clamping grooves, and the other group of placing clamping grooves is provided with a temperature control device. A pure water bottle is arranged at the upper end of the other set of placement clamping grooves, first flow guide pipes are arranged on the outer surfaces of the upper ends of the leacheate bottle and the pure water bottle, the two sets of first flow guide pipes are connected to the interior of the chromatographic instrument main machine, and a detection bin is arranged in the chromatographic instrument main machine. According to the ion chromatograph with the temperature control function, liquid can be subjected to flow separation detection through the arranged chromatograph main machine, and spectral measurement is performed through the separation assembly and the conductivity detection assembly in the internal detection bin after sample injection is performed on the chromatograph main machine through the sample injection instrument; and then the data is transmitted to the computer host for analysis through the chromatograph host, so that the functionality is strong, and the measurement is accurate.

The utility model provides a wafer back cleaning device which comprises a main machine table and a concentration meter, the main machine table is used for placing a wafer and conducting wet cleaning on the back of the wafer, the concentration meter is used for detecting the concentration of cleaning acid liquor on the back of the wafer, the concentration meter is arranged outside the main machine table, and a first connector of the concentration meter is connected with a factory affair acid exhaust pipe; a second interface of the concentration meter is connected with the leaked liquid discharge pipe; the leaked liquid drainage pipe is connected with a factory liquid drainage pipe; a valve capable of being opened and closed is arranged at one end, close to the second interface, of the leaked liquid discharging pipe and is used for preventing acid gas in the factory service liquid discharging pipe from flowing back to the concentration meter through the leaked liquid discharging pipe. According to the technical scheme provided by the invention, the valve structure and the bent pipe structure are additionally arranged in the leaked liquid drainage pipe, and the normally closed design of the valve structure can effectively isolate the backflow of acid gas in the factory service drainage pipe, so that the external concentration meter can be always in a stable and dry working environment.

The invention relates to the technical field of ion source atomization pressure detection, in particular to a high-precision atomization gas pressure control pressure detection device which comprises a conveying pipe, a mounting frame seat is fixedly mounted in the middle of the top of the conveying pipe, and the bottom of the mounting frame seat is communicated with the interior of the conveying pipe. The mounting mechanism and the cleaning mechanism of the device cooperate to provide comprehensive guarantee for use and maintenance of the air pressure sensor, the mounting mechanism realizes convenient disassembly and assembly and good sealing performance, equipment maintenance and operation stability are facilitated, the cleaning mechanism realizes automatic cleaning by using flow of atomized gas, and the cleaning efficiency is improved. The problem that the precision of the sensor is influenced by dust and impurities is effectively solved, the device can stably operate and detect for a long time in the application of ion source equipment needing high precision under the combined action of the dust and the impurities, the downtime and error risk caused by maintenance and impurity pollution are reduced, and the production efficiency and the detection accuracy are improved.

The utility model relates to the field of high-rise building construction protection, in particular to a protection platform for high-rise building construction. The folding and unfolding process of the protective net is tedious, and the protective net is very inconvenient to use. Comprising a bottom plate, protective net control devices are arranged on the bottom plate in a bilateral symmetry mode, each protective net control device comprises a supporting plate, the end of each supporting plate is fixedly connected with the bottom plate, one side of each supporting plate is fixedly connected with a limiting shell, and one side of the interior of each limiting shell is fixedly connected with a compression spring; the other end of the compression spring is fixedly connected with a push plate. According to the protective net supporting device, the square sliding block of the protective net control device is moved up and down to be matched with the ejection block, the protective net supporting device is rapidly unfolded and folded, the construction efficiency of constructors is improved, meanwhile, sundries and the like generated in the construction process are prevented from falling down through unfolding of the protective net supporting device, and the constructors below are protected.

This invention relates to the technical field, specifically to a drilling fluid control system for fractured formations. The system includes a pressure difference extraction module, a flow velocity deviation extraction module, a fracture abrupt change identification module, a channel switching execution module, and a pump pressure adjustment execution module. In this invention, by analyzing the fluctuation amplitude of the pressure time series difference between different depths in the wellbore and comparing the flow velocity change trend, a joint identification mechanism for abnormal seepage path changes is established. This triggers control commands to drive adjustments to the delivery channel state, shortening the response cycle from identification to execution and improving the flexibility of path control. Furthermore, after the channel state switching is completed, pump pressure adjustment is performed based on the resistance characteristics of the current connection structure. By dynamically adapting the delivery frequency and pressure output, the matching and control of the fluid operating state are achieved, enhancing the drilling fluid's adaptability to fracture abrupt change environments, mitigating pressure disturbances caused by abnormal seepage, and maintaining a stable wellbore operating environment.

This utility model relates to the field of turbine expander technology and discloses a sealing structure for a turbine expander, including a turbine expander. A first connecting plate is fixedly installed on the outer surface of the turbine expander. The turbine expander is provided with a sealing mechanism, which includes a second connecting plate, a connecting pipe, a first rubber sealing ring, a connecting pipe, a second rubber sealing ring, a hollow column, a round hole, a ball, a spring, a ring, a sliding roller, and a pull ring. In this sealing structure for the turbine expander, during the installation of the connecting plate, the connecting pipe is inserted into the second sealing groove of the first connecting plate, and the connection seam is sealed by the first rubber sealing ring. At the same time, the second rubber sealing ring on the outer surface of the connecting pipe fills the first sealing groove on the inner wall of the connecting pipe. This double sealing design effectively prevents media leakage, improves sealing performance, helps maintain a stable internal working environment of the turbine expander, reduces energy loss, and improves the efficiency and reliability of the equipment.

The invention discloses an integrated cycloidal-pin wheel speed reducer and a regulation and control method, and particularly relates to the technical field of speed reducers. The speed reducer comprises a frameless torque motor assembly and a cycloidal-pin wheel speed reduction assembly; the frameless torque motor assembly comprises a driving unit and a motor tail supporting seat. The cycloidal-pin gear speed reduction assembly comprises a first cycloidal gear, a second cycloidal gear, a pin gear shell and an eccentric shaft. Needle teeth are mounted on the inner wall of the needle tooth shell; the driving unit is connected with the cycloidal-pin wheel speed reduction assembly through an eccentric shaft. The eccentric position of the eccentric shaft is sleeved with the first cycloidal gear and the second cycloidal gear through the first needle bearing and the second needle bearing respectively, and the pin gear shell is arranged on the surface of the first cycloidal gear and the surface of the second cycloidal gear. The first cycloidal gear and the second cycloidal gear are arranged in a 180-degree symmetrical structure. The input flange and the shell of the frameless torque motor assembly are integrally designed, the coaxiality of the input end and the output end is improved, the operation stability is improved, and therefore more space is saved on the whole.

This utility model discloses an air-cooled xenon lamp intensity acquisition device in the field of light intensity detection equipment, including a light guide box, a light guide sleeve, and an irradiator mounting block. A light guide port is threadedly connected to the front of the light guide box. A light guide sleeve is located at the center of the bottom of the light guide box, and a quartz light guide tube is installed inside the light guide sleeve. An irradiator mounting block is located at the bottom of the light guide sleeve. An irradiator connecting plate is bolted to the top of the irradiator mounting block. A reflector bracket is fixedly installed inside the irradiator mounting block via a slot. The reflector bracket is a cylindrical structure with a slanted, half-cut cylindrical shape. A light-transmitting hole penetrating the slanted surface is located at the center of the reflector bracket. The slanted surface of the reflector bracket is 135°, and a T50 reflective lens is embedded at its center. Light intensity probes are threadedly connected to the sides and bottom of the irradiator mounting block. This utility model allows the light intensity probe to be moved to a stable environment for light intensity acquisition, reducing environmental influence, resulting in more accurate measurement results and extending the probe's lifespan.

The utility model discloses an unmanned plane intelligent damping airfield for construction site tower crane, including the control room on the tower crane, the top of control room is fixed with the protection shell through the pre -buried bolt, is provided with the opening on the protection shell, is provided with the closed subassembly in the protection shell, and the bottom of protection shell sets up intelligent leveling damping module, and fixed mounting has the take -off platform on intelligent leveling damping module, and intelligent leveling damping module includes four hydraulic columns and four level sensors, and four hydraulic columns and four level sensors all distribute in the four all around of take -off platform, and the telescopic end of hydraulic column is linked with the bottom of take -off platform, through setting up intelligent leveling damping module, and level sensor real -time perception platform inclination angle, and hydraulic column automatic compensation different direction's vibration interference, can absorb the instantaneous impact of unmanned plane take -off time, also can offset the sustained sway in the tower crane operation process, always keep the stable state of take -off platform, provide the stable working environment for unmanned plane high altitude operation.